116488865 has 8 divisors (see below), whose sum is σ = 140398440. Its totient is φ = 92783232.

The previous prime is 116488861. The next prime is 116488873. The reversal of 116488865 is 568884611.

It can be written as a sum of positive squares in 4 ways, for example, as 15928081 + 100560784 = 3991^2 + 10028^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116488865 - 2² = 116488861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116488861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49724 + ... + 52013.

It is an arithmetic number, because the mean of its divisors is an integer number (17549805).

Almost surely, 2^116488865 is an apocalyptic number.

It is an amenable number.

116488865 is a deficient number, since it is larger than the sum of its proper divisors (23909575).

116488865 is a wasteful number, since it uses less digits than its factorization.

116488865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101971.

The product of its digits is 368640, while the sum is 47.

The square root of 116488865 is about 10793.0007412211. Note that the first 3 decimals coincide. The cubic root of 116488865 is about 488.3840491642.

The spelling of 116488865 in words is "one hundred sixteen million, four hundred eighty-eight thousand, eight hundred sixty-five".